Comment # 6 on bug 1091818 from Freek de Kruijf

(In reply to Neil Rickert from comment #5)
> I have just rechecked.  I am not having a problem.  I tested with both GDM
> and with SDDM.  Logout from plasma-wayland and into plasma X -- no problem.
> 
> However, gpg-agent is not running here.
> 
> My understanding is that gpg-agent is not automatically started.  Rather, it
> is started when first needed.  So maybe you are doing something to start it.

KMail or rather akonadi stores passwords in a gpg protected KWallet. Akonadi
starts immediately at session start, so I get immediately a prompt for the gpg
password phrase.